Algebra Examples

$(2, - 3)$ , $(4, - 6)$ , $(2, - 4)$ , $(5, - 7)$

Step 1

Since $x = 2$ produces $y = - 3$ and $y = - 4$ , the relation $(2, - 3), (4, - 6), (2, - 4), (5, - 7)$ is not a function.

The relation is not a function.